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Cyanea horrida 

Scope: Global
Status_ne_offStatus_dd_offStatus_lc_offStatus_nt_offStatus_vu_offStatus_en_offStatus_cr_onStatus_ew_offStatus_ex_off

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Taxonomy [top]

Kingdom Phylum Class Order Family
Plantae Tracheophyta Magnoliopsida Campanulales Campanulaceae

Scientific Name: Cyanea horrida
Species Authority: (Rock) O.Deg. & Hosaka

Assessment Information [top]

Red List Category & Criteria: Critically Endangered D ver 3.1
Year Published: 2003
Date Assessed: 2003-04-30
Annotations:
Needs updating
Assessor(s): Bruegmann, M.M. & Caraway, V.
Reviewer(s): Maunder, M. (Plant Conservation Committee) & Pollock, C.M. (Red List Programme Office)
Justification:
Previously assessed as Vulnerable (VU D2) under the 1994 Categories and Criteria. With better information, this is now reassessed as Critically Endangered.

Cyanea horrida is endemic to the island of Maui, Hawaii. It is known from five subpopulations, totaling less than 20 individuals. Threats to the species include pigs, weeds, and possibly rats and invertebrates.
Previously published Red List assessments:

Geographic Range [top]

Range Description:A palm-like tree known only from East Maui.
Countries occurrence:
Native:
United States (Hawaiian Is.)
Additional data:
Range Map:Click here to open the map viewer and explore range.

Population [top]

Current Population Trend:Unknown
Additional data:

Habitat and Ecology [top]

Habitat and Ecology:Riparian habitat. It is restricted to rainforest and the margins of subalpine forest between altitudes of 1,520 and 2,000 m.
Systems:Terrestrial

Threats [top]

Major Threat(s): Threats include pigs, weeds, and possibly rats and invertebrates.

Classifications [top]

1. Forest -> 1.9. Forest - Subtropical/Tropical Moist Montane
suitability:Unknown  

In-Place Research, Monitoring and Planning
In-Place Land/Water Protection and Management
In-Place Species Management
In-Place Education
8. Invasive & other problematic species & genes -> 8.1. Invasive non-native/alien species -> 8.1.1. Unspecified species
♦ timing:Ongoing    
→ Stresses
  • 1. Ecosystem stresses -> 1.2. Ecosystem degradation

8. Invasive & other problematic species & genes -> 8.1. Invasive non-native/alien species -> 8.1.2. Named species [ Sus domesticus ]
♦ timing:Ongoing    
→ Stresses
  • 1. Ecosystem stresses -> 1.2. Ecosystem degradation

8. Invasive & other problematic species & genes -> 8.1. Invasive non-native/alien species -> 8.1.2. Named species
♦ timing:Ongoing    
→ Stresses
  • 1. Ecosystem stresses -> 1.2. Ecosystem degradation

Bibliography [top]

IUCN. 2003. 2003 IUCN Red List of Threatened Species. www.iucnredlist.org. Downloaded on 18 November 2003.

Oldfield, S., Lusty, C. and MacKinven, A. (compilers). 1998. The World List of Threatened Trees. World Conservation Press, Cambridge, UK.

U.S. Fish and Wildlife Service. 2003. Rare plant database. Unpublished.

Wagner, W., Herbst, D. and Sohmer, S. 1990. Manual of the flowering plants of Hawaii. University of Hawaii Press, Bishop Museum Press, Honolulu.

Wagner, W., Herbst, D. and Sohmer S. 1999. Manual of the Flowering Plants of Hawaii. Bernice Pauahi Bishop Museum Special Publication 91: 1-1918.


Citation: Bruegmann, M.M. & Caraway, V. 2003. Cyanea horrida. The IUCN Red List of Threatened Species 2003: e.T33582A9788344. . Downloaded on 26 August 2016.
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